<div class="echart-container">
    <div echarts [options]="options"></div>
    <section>
        <div> 
            <em>温度(℃):</em>
            <span></span>
        </div>
        <div>
            <em>湿度(%):</em>
            <span></span>
        </div>
        <!-- <div>
            <em>气压(hPa):</em>
            <span></span>
        </div> -->
    </section>
</div>